package com.gwl.pattern.singleton;

public class Controller {

	public static void main(String[] args) {
		
		SingleUser u1 = new SingleUser(); 
		SingleUser u2 = new SingleUser(); 
		SingleUser u3 = new SingleUser(); 
		SingleUser u4 = new SingleUser(); 
		
		u1.operate(); 
		u2.operate(); 
		u3.operate(); 
		u4.operate(); 
		
	}
	
}
